一个带有正则匹配的EditText

效果：

Name	Name	Last commit message	Last commit date
Latest commit xiaoniu Delete READ.md Aug 31, 2017 5abd967 · Aug 31, 2017 History 3 Commits
.idea	.idea	commit project	Aug 31, 2017
app	app	commit project	Aug 31, 2017
gradle/wrapper	gradle/wrapper	commit project	Aug 31, 2017
README.md	README.md	add README	Aug 31, 2017
build.gradle	build.gradle	commit project	Aug 31, 2017
settings.gradle	settings.gradle	commit project	Aug 31, 2017

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